EP1967055A1 - Soil cultivation device - Google Patents
Soil cultivation device Download PDFInfo
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- EP1967055A1 EP1967055A1 EP07103568A EP07103568A EP1967055A1 EP 1967055 A1 EP1967055 A1 EP 1967055A1 EP 07103568 A EP07103568 A EP 07103568A EP 07103568 A EP07103568 A EP 07103568A EP 1967055 A1 EP1967055 A1 EP 1967055A1
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- European Patent Office
- Prior art keywords
- piercing
- tool
- tools
- cultivation device
- tool holder
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B45/00—Machines for treating meadows or lawns, e.g. for sports grounds
- A01B45/02—Machines for treating meadows or lawns, e.g. for sports grounds for aerating
- A01B45/023—Perforators comprising spiking tools actively driven in a reciprocating movement through a crankshaft or eccentric mechanism
Definitions
- the invention relates to a mobile soil cultivation device for introducing cavities into the soil according to the preamble of claim 1.
- Such devices are used with the help of piercing tools to introduce cavities in a soil, wherein in the deeper areas of the bottom slit-shaped cavities are introduced and remain on the bottom surface as small holes.
- the cavities allow better drainage of water and improve soil aeration, and soil loosening improves plant growth, especially of grasses.
- Another tillage apparatus which uses two parallelogrammartig guided support arms which pivotally hold a tool holder at one end and which are pivotally mounted at the other end on the machine frame.
- the push rod of the crank mechanism is articulated to the tool holder and drives it, so that it performs an up and down movement.
- One of the two support arms is variable in length and includes a stop spring device. As long as the piercing tool is located outside the ground, the support arm is due to the spring force against the stop. When punctured piercing tool and forward movement of the tillage device pivots the piercing tool with the tool holder against the direction of travel and the variable length support arm is extended against the spring force.
- the previously known soil working devices are complex constructions with many machine parts, which are moved during the lancing process.
- the inertia is thus relatively high, so that the operating speed of the devices is limited.
- the invention is therefore an object of the invention to provide a device of the type described above, are moved in the less machine parts during the lancing process and thus the working speed can be increased.
- a soil cultivation device of the type described in the introduction comprises a machine frame, at least one upwardly and downwardly movable piercing tool, wherein the piercing tool is pierceable and withdrawable into the soil, has at least one tool holder for the piercing tool and at least one guide element.
- the tool holder is mounted about a first pivot axis in the up-and-down movement of a drive guide element. Between the tool holder and the guide element is a torsion element arranged coaxially to the first pivot axis. When punctured piercing tool and further movement, the piercing tool and thus the tool holder relative to the guide member can be pivoted.
- This embodiment has the advantage that fewer machine parts have to be moved during the piercing movement and thus the mass inertia is lower.
- the piercing tools can thus, especially when they are in engagement with the ground, yield faster against the direction of travel.
- the resulting holes in the soil surface can therefore be kept small, so that they are not substantially larger than the diameter of the puncturing tool.
- Another advantage is that no stops are needed to return the piercing tools to the home position prior to piercing. Thus, the impact load on the machine frame, the machine elements and in particular their bearings falls away. Thus, the life, in particular the bearings but also the machine parts can be increased. Furthermore, vibrations occurring during operation are reduced to a considerable extent.
- tilling device since it has no stop, not only forward but also can be moved backwards under the engagement of the piercing tools.
- the corner region of the surfaces to be machined with a soil cultivating device are generally difficult to access. Due to the possible reverse drive, the corners can be better reached.
- the torsion element can be made of an elastomeric element, for. B. a rubber spring element or a helical or spiral torsion spring, z. B. a metallic torsion spring.
- the torsion element is a Composite element and consists of both an elastomer and a metal material.
- the guide element, on which the tool holder is pivotally mounted is guided along a guide fastened to the machine frame.
- This guide can be designed to be linear or curved in particular in the upper region, so that the forces exerted by the crank mechanism on the guide forces are reduced.
- the angle of the guide in a direction parallel to the vertical direction can be adjusted individually or centrally relative to the machine frame and thus the piercing angle of the piercing tools can be adjusted in the ground. This has the advantage over the prior art that the insertion angle can be adjusted centrally without the use of a stop when all the guides of the guide elements and thus the piercing tools are adjusted together.
- a plurality of piercing tools or a plurality of groups of piercing tools are arranged side by side and they are driven in phase with each other.
- These piercing tools or groups of puncturing tools can also be arranged in succession in at least two rows in the direction of travel. At least two lancing tools or groups of puncturing tools lying one behind the other in the direction of travel can be driven by the same crank mechanism, these lancing tools or groups of lancing tools preferably being driven out of phase.
- the crank mechanism is synchronized with the driving speed so that the lancing tools of the two Rows such a way during the phase in which the piercing tools are not in engagement with the ground, cover that the piercing tools of the second row in the direction of travel in front of the holes that have been generated by the piercing tools of the first row, pierceable in the soil ,
- stops fixed to the machine frame can be provided which can be adjusted centrally or individually and limit the return movement of the piercing tools in order to change the piercing angle.
- the guide element may consist of a support arm which is pivotally mounted on the machine frame.
- a pivotally mounted coupling arm may be provided in a tool holder, which is in direct contact with the stop prior to piercing into the ground and is pivotally mounted at the distal end of the tool holder to an intermediate member pivotally mounted on the machine frame.
- the guide element is formed in two parts, wherein the two parts of the guide element are guided in the same guide.
- at least one compression spring is arranged between the upper and the lower guide element, which allows a compression of the at least one piercing tool with an exceptionally high Bodeneinstechwiderstand.
- This spring should have a high spring stiffness and spring only from a certain force. In normal soil conditions, the piercing tool can perform the predetermined movement unhindered, since the spring force of the compression spring is greater than the Bodeneinstchwiderstand usually processed soils. This has the advantage that the tillage device can also be used when there are stones or gravel in the ground.
- the piercing tools or machine elements can be damaged if the Puncture tools to hit stones or the like.
- the soil cultivating device of the present embodiment can thus also be used for processing ski slopes in which stones or rocks are very frequently under the snow cover.
- a further development of the invention can provide that the height of the stroke, which the guide element and thus the tool holder execute, can be adjusted.
- the adjustment can be z. B. achieve by the distance of the crank pin receiving the Kurbeistange, can be changed to the axis of rotation of the crankshaft.
- the height of the stroke can be adjusted by the distance between the crankshaft and guide element, on which the tool holder is pivotally mounted, is changed. This happens, for example, by setting a different horizontal position of the guide element relative to the crankshaft.
- This horizontal distance can also be set individually or centrally for a plurality of juxtaposed lancing tools.
- An advantage of this is that the tools do not have to be changed if the depth of the cavities introduced into the ground is to be changed.
- Fig. 1 shows a side view of a mobile tillage device that is self-propelled or can be pulled by means of a tractor.
- This tillage device has a machine frame 23, in which a plurality of upwardly and downwardly movable lancing tools 3 are pivotally mounted.
- the lancing tools 3 are alternately pressed into the bottom 9 and perform in the bottom 9 due to the forward movement of the tillage device from a tilting movement, in which the bottom 9 is broken below the piercing, whereby, for example, the drainage of the bottom 9 is improved.
- the puncture hole should remain as small as possible despite the speed of the tillage device.
- the piercing tools 3 are preferably fastened to a tool holder 2 with the aid of a holding device 45.
- Piercing tools of different length and shape and diameter can be attached to the tool holder 2, which is guided by a guide element 4.
- the guide element 4 preferably carries driven by a crank mechanism 17 an up and down movement. Alternatively, it is also possible to drive the guide element 4 hydraulically or electrically.
- the tool holder 2 On the guide member 4, the tool holder 2 is pivotally mounted about a pivot axis 40, wherein the tool holder 2 receives a piercing tool 3 or a group of piercing tools 3, which are pierced and retractable due to the up and down movement in the bottom 9.
- a piercing tool 3 or a group of piercing tools 3 which are pierced and retractable due to the up and down movement in the bottom 9.
- Several preferably juxtaposed piercing tools 3 or groups of piercing tools 3 arranged next to one another can be driven.
- the piercing tools or groups of piercing tools are preferably driven out of phase.
- Fig. 2a shows a front view and Fig. 2b a side view of a guide element 4 with tool holder 2 and piercing 3.
- a push rod 5 is driven by a crank mechanism 17.
- the push rod 5 is coupled to the guide element 4 with a first pivot bearing 6.
- the guide element 4 can driven by the push rod 5 perform an up and down movement along a guide 11.
- the tool holder 2 is pivotally mounted about a pivot axis 40.
- At least one piercing tool 3 is attached to the tool holder 2.
- a coaxial to the pivot axis 40 acting torsion element 1a is attached.
- the guide element 4 preferably receives the tool holder 2 between two arms 4a, 4b which are guided in the guide 11 by means of lateral guide pins 4c.
- the torsion element Before piercing the torsion element is unloaded, wherein in the starting position shortly before piercing a predetermined piercing angle of the piercing tool 3 is set.
- the torsion element is forcibly applied to the piercing tool 3, i. with a pierced piercing tool 3 and further movement of the soil cultivation device in the direction of travel A, a pivoting of the piercing tool 3 against the direction of travel.
- the torsion element exerts a restoring moment on the tool holder 2, so that the piercing tool 3 pivots back into the starting position after pulling out.
- the torsion element in Fig. 2a and 2b may be a metal-elastomeric composite 1a, as available, for example, from Rosta.
- the elastomer-metal composite element has a housing 8, which preferably consists of a quadrangular or triangular hollow profile.
- the elastomer-metal composite element has a central rod 7, which is located in the interior of the housing 8 and also preferably has a quadrangular or triangular cross-section.
- a generally polygonal cross-section may be used in both the housing 8 and the rod 7.
- the rod 7 is arranged offset relative to the housing 8 by a rotational angle of 45 °.
- elastomeric elements 42 are arranged in the corners of the housing 8 and extend substantially over the entire length of the housing 8 and the rod 7. Under the action of a torque, the rod 7 can be rotated relative to the housing 8. In this case, the elastomer elements 42 are compressed and there is an elastic restoring moment.
- a larger torsion angle can be used.
- elastomer-metal composite elements 1a coupled together are juxtaposed to achieve a larger torsion angle.
- the two rods 7 are firmly connected or preferably formed in one piece.
- One of the two housings 8 is fastened to the guide element 4 and the other housing 8 to the tool holder 2.
- a sleeve 46 may be provided which surrounds the two housing 8.
- the two housings 8 instead of the rod 7 may be firmly connected to each other or preferably in one piece, and the rod 7 may be formed in two parts. In this case, one of the rods 7 with the guide member 4 and the other rod 7 with the tool holder 2 rotatably connected.
- the piercing angle of the piercing tool 3 in the ground corresponds to the angle ⁇ between the piercing tool 3 and the bottom surface 9. This angle can be changed by changing the angle of the tool holder 2 with respect to an orthogonal plane transverse to the direction of travel.
- Fig. 3 another embodiment is shown, in which an elastomeric element 1b is used as a torsion element.
- the elastomeric elements are arranged on both sides transversely to the direction of travel between the tool holder 2 and the guide element 4. At the tool holder 2 more piercing tools 3 may be attached. The ends of the elastomeric elements are fastened directly to the guide element 4 or to the tool holder 2.
- the elastomeric elements may be terminated at the ends as composite elements e.g. have vulcanized connection flanges 10, which in turn can be attached to the tool holder 2 and the guide element 4.
- the piercing angle ⁇ can also be changed by changing the angle between the piercing tools and the tool holder 2 when attaching the piercing tools.
- the maximum possible torsion angle between the guide element 4 and the tool holder 2 is dependent on the length L of the elastomer elements 1b. The longer the elastomer element 1b is, the larger the torsion angle can be.
- a preferably coaxial metal bolt can be introduced in the interior parallel to its longitudinal extent. This can be rotatably mounted on the adjacent connection flanges 10 or on the tool holder 2 and / or on the guide element 4.
- metal springs are enclosed in this case by the elastomer material.
- metal bolts can preferably be introduced coaxially in the interior for reinforcement.
- FIG. 4 shows the same embodiment as in 2a and 2b is shown, with the difference that the torsion element is a coaxial with the pivot axis 40 extending helical or helical metal torsion spring 1c.
- One side of the metal spring is connected to the guide member 4 and the other side is rotatably connected to the tool holder 2.
- a coaxial axial or sleeve-shaped support element for reinforcement. These support elements can then likewise be rotatably mounted on the tool holder and on the guide element.
- the side view in Fig. 5 shows one of the guides 11, which guide the guide member 4 laterally on both sides.
- the at least one guide 11 is on the in Fig. 5 Fixed machine frame 23 not shown.
- the guide 11 is tiltable in a direction parallel to the vertical direction vertical plane (dashed line), so that the angle of the guide 11 are adjusted relative to the machine frame 23 can.
- the piercing angle ⁇ of the piercing tools 3 is adjusted in the vertical plane.
- the angles of several transversely to the direction of travel arranged side by side in a row guides 11 can be adjusted centrally by means of an adjusting device.
- the insertion angle of piercing tools or groups of piercing tools, which are located in a row centrally adjustable.
- the juxtaposed lancing tools or groups of puncturing tools can be driven out of phase.
- the guides 11 may also be displaceable horizontally parallel to the direction of travel, so that the stroke of the up and down movement due to the changed distance to the crank mechanism 17 is adjustable.
- the piercing tool is shown shortly before piercing the bottom 9.
- Fig. 6 shows the same side view as Fig. 5 with the difference that the tillage device has moved further in the direction of travel.
- the piercing tool 3 is located in the bottom 9 and has been pivoted due to the forward drive.
- the piercing tool 3 has so far performed a pivoting movement by an angle ⁇ .
- Fig. 7 shows a side view in which a bent in particular in the upper region guide 11 is shown.
- the guide 11 is bent in the direction of the crank mechanism 17, so that the angle of the force exerted by the push rod 5 on the guide member 4 on the guide 11 is changed so that the load on the guide 11 is reduced by lateral forces. This reduces wear and friction.
- Fig. 8 shows a side view of an embodiment with linear guide 11.
- the cheeks 13 of the crank mechanism 17 connect crank pin 14 with a crankshaft 12.
- the crank pin 14 receive the push rod 5 on.
- the cheeks 13 are provided with elongated holes 15 in this embodiment, so that the effective radius about the axis of rotation of the crankshaft 12 can be changed.
- the crank-drive-side end of the push rod 5 can be secured in different radial positions.
- the circular path that performs the crank pin 14 about the crankshaft 12 is indicated by the circular path 16.
- Fig. 9 shows a side view, in which two rows 18 and 19 of piercing tools or groups of puncturing tools can be seen, which are arranged one behind the other in the direction of travel, which are driven by a common crank mechanism 17.
- crank mechanism 17 take two preferably angularly offset crank pin 14 each have a push rod 5 on.
- the lancing teeth 3 in the rows 18 and 19 are preferably driven in phase.
- the crank mechanism 17 can be coupled with the driving speed such that the holes created by the piercing tools 3 of the rear row 18 in the direction of travel lie in front of the previously produced holes of the piercing tools 3 of the first row 19.
- the Fig. 10 shows the front view of a further embodiment in which the guide element 4 is formed in two parts, wherein the two parts of the guide element 4 ', 4 "are guided in the same guide, between the upper 4' and the lower 4" guide element at least one compression spring 21 is arranged ,
- These rods 28 are preferably arranged coaxially with the springs 21 and also serve as guide elements for the springs 21.
- the springs 21 have a high spring rigidity.
- Recesses 30 may be provided in the two parts of the guide element 4 ', 4 "in order to receive a spring 21.
- the push rod 5 is pivotally mounted.
- Fig. 10 the piercing tool 3 is drawn in the inserted state.
- This embodiment has the advantage that when an unusually high resistance occurs in the ground, that is, for example, when the piercing tool hits a stone, the springs 21 like out Fig. 11 can obviously deflect. In this way, damage to the machine or the tool can be prevented.
- the springs have a high spring stiffness, so that they spring in only from a relatively high force, namely, when the Bodeneinstchwiderstand exceeds a conventional level considerably.
- Fig. 12 an embodiment with support arms 4 is shown.
- the guide element 4 consists of at least one support arm 4 which is pivotally mounted in a pivot bearing 22 on the machine frame 23.
- the insertion angle can be adjusted on the tool holder 2 by the tool holder 2 is fixed in a different angular position relative to the support arm 4.
- Fig. 13 shows a modified embodiment of the Fig. 12 in which in addition a coupling arm 25 is pivotally mounted on the tool holder 2 for centrally adjusting the insertion angle, which is in direct contact with the stopper 24 prior to piercing into the bottom and which is pivotally mounted on the intermediate element 26 at the end remote from the tool holder is, which in turn is pivotally mounted on the machine frame 23.
- the stop 24 can be adjusted centrally, for example, with an eccentrically mounted rod 44.
- the stop 24 limits the return movement of the piercing tools 3 back to the starting position.
- the piercing angle of the piercing tools 3 can be adjusted centrally.
- the insertion angle can also be adjusted individually by the stopper is mounted directly on the support arm 4.
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- Life Sciences & Earth Sciences (AREA)
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- Soil Working Implements (AREA)
- Agricultural Machines (AREA)
Abstract
Description
Die Erfindung betrifft eine fahrbare Bodenbearbeitungsvorrichtung zum Einbringen von Hohlräumen in den Boden nach dem Oberbegriff des Anspruchs 1.The invention relates to a mobile soil cultivation device for introducing cavities into the soil according to the preamble of claim 1.
Derartige Vorrichtungen dienen dazu, mit Hilfe von Stechwerkzeugen Hohlräume in einen Boden einzubringen, wobei in die tieferen Bereiche des Bodens schlitzförmige Hohlräume eingebracht werden und an der Bodenfläche möglichst kleine Löcher verbleiben. Die Hohlräume ermöglichen einen besseren Abfluss von Wasser und Verbessern die Bodenbelüftung und durch die Auflockerung des Bodens wird das Pflanzenwachstum, insbesondere von Gräsern, verbessert.Such devices are used with the help of piercing tools to introduce cavities in a soil, wherein in the deeper areas of the bottom slit-shaped cavities are introduced and remain on the bottom surface as small holes. The cavities allow better drainage of water and improve soil aeration, and soil loosening improves plant growth, especially of grasses.
Die bislang für solche Zwecke verwendeten, aus der japanischen Offenlegungsschrift
Aus der Europäischen Offenlegungsschrift
Die bisher bekannten Bodenbearbeitungsvorrichtungen sind aufwändige Konstruktionen mit vielen Maschinenteilen, die während des Stechvorgangs mitbewegt werden. Die Massenträgheit ist somit relativ hoch, so dass die Arbeitsgeschwindigkeit der Vorrichtungen begrenzt ist.The previously known soil working devices are complex constructions with many machine parts, which are moved during the lancing process. The inertia is thus relatively high, so that the operating speed of the devices is limited.
Der Erfindung liegt demzufolge die Aufgabe zugrunde, eine Vorrichtung der eingangs beschriebenen Art zu schaffen, bei der weniger Maschinenteile während des Stechvorgangs mitbewegt werden und somit die Arbeitsgeschwindigkeit erhöht werden kann.The invention is therefore an object of the invention to provide a device of the type described above, are moved in the less machine parts during the lancing process and thus the working speed can be increased.
Zur Lösung dieser Aufgabe dienen die Merkmale des Anspruchs 1.To solve this problem serve the features of claim 1.
Die Erfindung sieht in vorteilhafter Weise vor, dass eine Bodenbearbeitungsvorrichtung der einleitend beschriebenen Art einen Maschinenrahmen, mindestens ein auf- und abbewegbares Stechwerkzeug, wobei das Stechwerkzeug in den Boden einstechbar und wieder herausziehbar ist, mindestens einen Werkzeughalter für das Stechwerkzeug und mindestens ein Führungselement aufweist. Der Werkzeughalter ist um eine erste Schwenkachse in dem von einem Antrieb auf- und abbewegbaren Führungselement gelagert. Zwischen dem Werkzeughalter und dem Führungselement ist ein Torsionselement koaxial zur ersten Schwenkachse angeordnet. Bei eingestochenem Stechwerkzeug und Weiterbewegung kann das Stechwerkzeug und somit der Werkzeughalter gegenüber dem Führungselement verschwenkt werden. Bei Wegfall der Krafteinwirkung, d.h. sobald sich das Stechwerkzeug außerhalb des Bodens befindet, wird ein Rückstellmoment auf den Werkzeughalter erzeugt, so dass der Werkzeughalter mit dem Stechwerkzeug aufgrund des Torsionsmoments wieder in die Ausgangslage zurückschwenkt.The invention advantageously provides that a soil cultivation device of the type described in the introduction comprises a machine frame, at least one upwardly and downwardly movable piercing tool, wherein the piercing tool is pierceable and withdrawable into the soil, has at least one tool holder for the piercing tool and at least one guide element. The tool holder is mounted about a first pivot axis in the up-and-down movement of a drive guide element. Between the tool holder and the guide element is a torsion element arranged coaxially to the first pivot axis. When punctured piercing tool and further movement, the piercing tool and thus the tool holder relative to the guide member can be pivoted. In the absence of the force, ie as soon as the piercing tool is located outside the ground, a restoring moment is generated on the tool holder, so that the tool holder with the piercing tool pivots back into the starting position due to the torsional moment.
Diese Ausführungsform hat den Vorteil, dass weniger Maschinenteile während der Einstechbewegung bewegt werden müssen und somit die Massenträgheit geringer ist. Die Stechwerkzeuge können somit, insbesondere während sie sich im Eingriff mit dem Boden befinden, schneller entgegen der Fahrtrichtung nachgeben. Die in der Bodenoberfläche entstehenden Löcher können daher kleingehalten werden, so dass sie nicht wesentlich größer sind als der Durchmesser des Einstechwerkzeugs.This embodiment has the advantage that fewer machine parts have to be moved during the piercing movement and thus the mass inertia is lower. The piercing tools can thus, especially when they are in engagement with the ground, yield faster against the direction of travel. The resulting holes in the soil surface can therefore be kept small, so that they are not substantially larger than the diameter of the puncturing tool.
Ein weiterer Vorteil besteht darin, dass keine Anschläge benötigt werden, um die Stechwerkzeuge in die Ausgangsposition vor dem Einstechen zurückzubringen. Somit fällt die Stoßbelastung auf den Maschinenrahmen, die Maschinenelemente und insbesondere deren Lager weg. Somit kann die Lebensdauer, insbesondere der Lager aber auch der Maschinenteile erhöht werden. Desweiteren werden im Betrieb auftretende Vibrationen in erheblichem Umfang reduziert.Another advantage is that no stops are needed to return the piercing tools to the home position prior to piercing. Thus, the impact load on the machine frame, the machine elements and in particular their bearings falls away. Thus, the life, in particular the bearings but also the machine parts can be increased. Furthermore, vibrations occurring during operation are reduced to a considerable extent.
Ein zusätzlicher Vorteil ist, dass die Bodenbearbeitungsvorrichtung, da sie keinen Anschlag besitzt, nicht nur vorwärts, sondern auch rückwärts unter Eingriff der Stechwerkzeuge bewegt werden kann. Bei den zu bearbeitenden Flächen sind die Eckbereich der zu bearbeitenden Flächen mit einer Bodenbearbeitungsvorrichtung in der Regel nur schwer zugänglich. Aufgrund der möglichen Rückwärtsfahrt können die Ecken besser erreicht werden.An additional advantage is that the tilling device, since it has no stop, not only forward but also can be moved backwards under the engagement of the piercing tools. In the areas to be processed, the corner region of the surfaces to be machined with a soil cultivating device are generally difficult to access. Due to the possible reverse drive, the corners can be better reached.
Das Torsionselement kann aus einem Elastomerelement, z. B. einem Gummifederelement oder einer schrauben- bzw. spiralförmigen Torsionsfeder, z. B. einer metallischen Torsionsfeder bestehen. Vorzugsweise ist das Torsionselement ein Verbundelement und besteht sowohl aus einem Elastomer- als auch aus einem Metallwerkstoff.The torsion element can be made of an elastomeric element, for. B. a rubber spring element or a helical or spiral torsion spring, z. B. a metallic torsion spring. Preferably, the torsion element is a Composite element and consists of both an elastomer and a metal material.
Bei der Verwendung eines Elastomers oder einer Kombination aus Elastomer und Metall als Torsionselement besteht ein weiterer Vorteil darin, dass geringere Vibrationen auf die gesamte Bodenbearbeitungsvorrichtung und auf das Zugfahrzeug übertragen werden. Somit können Schwingungseinwirkungen auf Personen, die die Bodenbearbeitungsvorrichtung bedienen, deutlich reduziert werden.When using an elastomer or a combination of elastomer and metal as a torsion element, another advantage is that lower vibrations are transmitted to the entire tillage device and to the towing vehicle. Thus, vibration effects on people who operate the tillage device can be significantly reduced.
Bei einer weiteren Ausgestaltung der Erfindung ist vorgesehen, dass das Führungselement, an dem der Werkzeughalter schwenkbar gelagert ist, längs einer an dem Maschinenrahmen befestigten Führung geführt ist. Diese Führung kann linear oder aber insbesondere im oberen Bereich gebogen ausgeführt sein, damit die von dem Kurbeltrieb auf die Führung ausgeübten Kräfte reduziert werden.In a further embodiment of the invention, it is provided that the guide element, on which the tool holder is pivotally mounted, is guided along a guide fastened to the machine frame. This guide can be designed to be linear or curved in particular in the upper region, so that the forces exerted by the crank mechanism on the guide forces are reduced.
Der Winkel der Führung in einer zur Fahrtrichtung parallelen vertikalen Ebene kann relativ zum Maschinenrahmen einzeln oder zentral verstellt werden und es kann somit der Einstechwinkel der Stechwerkzeuge in den Boden eingestellt werden. Dies hat gegenüber dem bisherigen Stand der Technik den Vorteil, dass der Einstechwinkel ohne Verwendung eines Anschlags zentral verstellt werden kann, wenn alle Führungen der Führungselemente und somit der Stechwerkzeuge gemeinsam verstellt werden.The angle of the guide in a direction parallel to the vertical direction can be adjusted individually or centrally relative to the machine frame and thus the piercing angle of the piercing tools can be adjusted in the ground. This has the advantage over the prior art that the insertion angle can be adjusted centrally without the use of a stop when all the guides of the guide elements and thus the piercing tools are adjusted together.
Bei weiteren Ausführungsbeispielen der Erfindung ist vorgesehen, dass bei der Bodenbearbeitungsvorrichtung mehrere Stechwerkzeuge oder mehrere Gruppen von Stechwerkzeugen nebeneinander angeordnet sind und diese zueinander phasenverschoben antreibbar sind.In further embodiments of the invention it is provided that in the tillage device a plurality of piercing tools or a plurality of groups of piercing tools are arranged side by side and they are driven in phase with each other.
Auch können diese Stechwerkzeuge oder Gruppen von Stechwerkzeugen in mindestens zwei Reihen in Fahrtrichtung hintereinander angeordnet sein. Es können mindestens zwei in Fahrtrichtung hintereinanderliegende Stechwerkzeuge oder Gruppen von Stechwerkzeugen mit dem gleichen Kurbeltrieb angetrieben werden, wobei diese Stechwerkzeuge bzw. Gruppen von Stechwerkzeugen vorzugsweise phasenverschoben angetrieben werden. Der Kurbeltrieb ist dabei so mit der Fahrgeschwindigkeit synchronisiert, dass die Stechwerkzeuge der beiden Reihen einen solchen Weg während der Phase, in der die Stechwerkzeuge nicht im Eingriff mit dem Boden sind, zurücklegen, dass die Stechwerkzeuge der zweiten Reihe in Fahrtrichtung vor den Löchern, die von den Stechwerkzeugen der ersten Reihe erzeugt worden sind, in den Boden einstechbar sind.These piercing tools or groups of puncturing tools can also be arranged in succession in at least two rows in the direction of travel. At least two lancing tools or groups of puncturing tools lying one behind the other in the direction of travel can be driven by the same crank mechanism, these lancing tools or groups of lancing tools preferably being driven out of phase. The crank mechanism is synchronized with the driving speed so that the lancing tools of the two Rows such a way during the phase in which the piercing tools are not in engagement with the ground, cover that the piercing tools of the second row in the direction of travel in front of the holes that have been generated by the piercing tools of the first row, pierceable in the soil ,
Dies hat den Vorteil, dass bei mehreren Reihen von hintereinander angeordneten Stechwerkzeugen die Arbeitsgeschwindigkeit der Bodenbearbeitungsvorrichtung erhöht werden kann.This has the advantage that when several rows of puncturing tools arranged one behind the other, the working speed of the tillage device can be increased.
Bei einer alternativen Ausführungsform der Erfindung können am Maschinenrahmen befestigte Anschläge vorgesehen sein, die zentral oder einzeln verstellt werden können und die Rückstellbewegung der Stechwerkzeuge begrenzen, um den Einstechwinkel zu verändern.In an alternative embodiment of the invention, stops fixed to the machine frame can be provided which can be adjusted centrally or individually and limit the return movement of the piercing tools in order to change the piercing angle.
Bei einem weiteren Ausführungsbeispiel kann das Führungselement aus einem Tragarm bestehen, der an dem Maschinenrahmen schwenkbar befestigt ist. In diesem Fall kann bei einem Werkzeughalter ein schwenkbar gelagerter Kopplungsarm vorgesehen sein, der vor dem Einstechen in den Boden mit dem Anschlag in direktem Kontakt ist und an dem Werkzeughalter entfernten Ende an einem Zwischenelement schwenkbar gelagert ist, das seinerseits an dem Maschinenrahmen schwenkbar gelagert ist.In a further embodiment, the guide element may consist of a support arm which is pivotally mounted on the machine frame. In this case, a pivotally mounted coupling arm may be provided in a tool holder, which is in direct contact with the stop prior to piercing into the ground and is pivotally mounted at the distal end of the tool holder to an intermediate member pivotally mounted on the machine frame.
Bei einem weiteren Ausführungsbeispiel der Erfindung ist das Führungselement zweiteilig ausgebildet, wobei die beiden Teile des Führungselements in der gleichen Führung geführt werden. Zwischen dem oberen und dem unteren Führungselement ist mindestens eine Druckfeder angeordnet, die ein Einfedern des mindestens einen Stechwerkzeuges bei einem außergewöhnlich hohen Bodeneinstechwiderstand ermöglicht. Diese Feder soll eine hohe Federsteifigkeit besitzen und erst ab einer bestimmten Kraft einfedern. Bei normalen Bodenverhältnissen kann das Stechwerkzeug die vorgegebene Bewegung ungehindert ausführen, da die Federkraft der Druckfeder größer ist als der Bodeneinstechwiderstand üblicherweise bearbeiteter Böden ist. Dies hat den Vorteil, dass die Bodenbearbeitungsvorrichtung auch benutzt werden kann, wenn sich Steine oder Schotter im Boden befinden. Bei den bisher bekannten Bodenbearbeitungsvorrichtungen können die Stechwerkzeuge bzw. Maschinenelemente beschädigt werden, wenn die Stechwerkzeuge auf Steine oder Ähnliches treffen. Die Bodenbearbeitungsvorrichtung der vorliegenden Ausführungsform kann somit auch zum Bearbeiten von Skipisten verwendet werden, bei denen sich sehr häufig Steine oder Felsen unter der Schneedecke befinden.In a further embodiment of the invention, the guide element is formed in two parts, wherein the two parts of the guide element are guided in the same guide. Between the upper and the lower guide element at least one compression spring is arranged, which allows a compression of the at least one piercing tool with an exceptionally high Bodeneinstechwiderstand. This spring should have a high spring stiffness and spring only from a certain force. In normal soil conditions, the piercing tool can perform the predetermined movement unhindered, since the spring force of the compression spring is greater than the Bodeneinstchwiderstand usually processed soils. This has the advantage that the tillage device can also be used when there are stones or gravel in the ground. In the previously known soil working devices, the piercing tools or machine elements can be damaged if the Puncture tools to hit stones or the like. The soil cultivating device of the present embodiment can thus also be used for processing ski slopes in which stones or rocks are very frequently under the snow cover.
Eine Weiterbildung der Erfindung kann vorsehen, dass die Höhe des Hubes, den das Führungselement und somit der Werkzeughalter ausführen, eingestellt werden kann. Die Verstellung lässt sich z. B. erreichen, indem der Abstand des Hubzapfens, der die Kurbeistange aufnimmt, zur Drehachse der Kurbelwelle verändert werden kann. In den Wangen, die die Hubzapfen mit den Kurbelwellenzapfen verbinden, befinden sich Langlöcher. Die Hubzapfen können innerhalb der Langlöcher verschoben werden und an unterschiedlichen Positionen befestigt werden.A further development of the invention can provide that the height of the stroke, which the guide element and thus the tool holder execute, can be adjusted. The adjustment can be z. B. achieve by the distance of the crank pin receiving the Kurbeistange, can be changed to the axis of rotation of the crankshaft. In the cheeks that connect the crank pins with the crankshaft journals, there are slots. The crank pins can be moved within the slots and fixed in different positions.
Bei einer bevorzugten Ausführung kann alternativ die Höhe des Hubs verstellt werden, indem der Abstand zwischen Kurbelwelle und Führungselement, an dem der Werkzeughalter schwenkbar gelagert ist, verändert wird. Dies geschieht beispielsweise dadurch, dass eine andere horizontale Position des Führungselements relativ zur Kurbelwelle eingestellt wird.In a preferred embodiment, alternatively, the height of the stroke can be adjusted by the distance between the crankshaft and guide element, on which the tool holder is pivotally mounted, is changed. This happens, for example, by setting a different horizontal position of the guide element relative to the crankshaft.
Dieser horizontale Abstand kann ebenfalls einzeln oder zentral für mehrere nebeneinander angeordnete Stechwerkzeuge eingestellt werden. Ein Vorteil davon ist, dass die Werkzeuge nicht gewechselt werden müssen, wenn die Tiefe der in den Boden eingebrachten Hohlräume verändert werden soll.This horizontal distance can also be set individually or centrally for a plurality of juxtaposed lancing tools. An advantage of this is that the tools do not have to be changed if the depth of the cavities introduced into the ground is to be changed.
Im Folgenden werden unter Bezugnahme auf die Zeichnungen Ausführungsbeispiele der Erfindung näher erläutert.In the following, embodiments of the invention will be explained in more detail with reference to the drawings.
Es zeigen schamatisch:
- Fig. 1
- eine Seitenansicht auf eine Bodenbearbeitungsvorrichtung,
- Fig. 2a
- eine teilweise geschnittene Frontansicht auf ein erfindungsgemäßes Ausführungsbeispiel eines Stechwerkzeuges,
- Fig. 2b
- eine Seitenansicht auf das Ausführungsbeispiel aus
Fig. 2a - Fig. 2c
- eine teilweise geschnittene Frontansicht auf eine Variante des Ausführungsbeispiels aus
Fig. 2a - Fig. 3
- eine Frontansicht eines weiteren Ausführungsbeispiels mit einem Elastomerelement als Torsionsfiederelement, für ein Stechwerkzeug,
- Fig. 4
- eine Seitenansicht eines weiteren Ausführungsbeispiels, bei dem eine spiral- bzw. schraubenförmige Torsionsfeder als Torsionselement verwendet ist,
- Fig. 5
- eine Seitenansicht des ersten Ausführungsbeispiels mit einer schwenkbaren linearen Führung des Führungselementes,
- Fig. 6
- eine Seitenansicht eines Ausführungsbeispiels mit eingestochenem Stechwerkzeug,
- Fig. 7
- eine Seitenansicht eines weiteren Ausführungsbeispiels mit insbesondere im oberen Teil gebogener Führung,
- Fig. 8
- eine Seitenansicht eines weiteren Ausführungsbeispiels mit veränderlichem Kreisbahndurchmesser des Kurbeltriebs,
- Fig. 9
- eine Seitenansicht eines weiteren Ausführungsbeispiels mit zwei Reihen hintereinander angeordneten Stechwerkzeugen bzw. Gruppen von Stechwerkzeugen,
- Fig. 10
- eine Frontansicht eines weiteren Ausführungsbeispiels, bei dem das Stechwerkzeug bei außergewöhnlich hohem Bodenwiderstand einfedern kann,
- Fig. 11
- eine Frontansicht des Ausführungsbeispiels aus
Fig. 10 , bei dem das Stechwerkzeug eingefedert ist, - Fig. 12
- eine Seitenansicht eines weiteren Ausführungsbeispiels mit Tragarm,
- Fig. 13
- eine Seitenansicht eines weiteren Ausführungsbeispiels mit Tragarm und Anschlag.
- Fig. 1
- a side view of a tillage device,
- Fig. 2a
- a partially sectioned front view of an inventive embodiment of a piercing tool,
- Fig. 2b
- a side view of the embodiment
Fig. 2a - Fig. 2c
- a partially cut front view of a variant of the embodiment
Fig. 2a - Fig. 3
- a front view of another embodiment with an elastomeric element as Torsionsfiederelement, for a piercing tool,
- Fig. 4
- a side view of another embodiment, in which a helical or helical torsion spring is used as a torsion element,
- Fig. 5
- a side view of the first embodiment with a pivotable linear guide of the guide element,
- Fig. 6
- a side view of an embodiment with a pierced pricking tool,
- Fig. 7
- a side view of another embodiment with in particular curved in the upper part guide
- Fig. 8
- a side view of another embodiment with variable circular path diameter of the crank mechanism,
- Fig. 9
- a side view of a further embodiment with two rows of puncturing tools or groups of puncturing tools arranged one behind the other,
- Fig. 10
- a front view of another embodiment in which the piercing tool can deflect with exceptionally high soil resistance,
- Fig. 11
- a front view of the embodiment
Fig. 10 in which the piercing tool is spring-loaded, - Fig. 12
- a side view of another embodiment with support arm,
- Fig. 13
- a side view of another embodiment with support arm and stop.
Die Stechwerkzeuge 3 werden vorzugsweise mit Hilfe einer Haltevorrichtung 45 an einem Werkzeughalter 2 befestigt. Stechwerkzeuge unterschiedlicher Länge und Form sowie Durchmesser können an dem Werkzeughalter 2 befestigt werden, der von einem Führungselement 4 geführt wird. Das Führungselement 4 führt vorzugsweise durch einen Kurbeltrieb 17 angetrieben eine Auf- und Abbewegung aus. Alternativ ist es auch möglich, das Führungselement 4 hydraulisch oder elektrisch anzutreiben.The piercing
An dem Führungselement 4 ist der Werkzeughalter 2 um eine Schwenkachse 40 schwenkbar gelagert, wobei der Werkzeughalter 2 ein Stechwerkzeug 3 oder eine Gruppe von Stechwerkzeugen 3 aufnimmt, die aufgrund der Auf- und Abbewegung in den Boden 9 einstechbar und wieder herausziehbar sind. Es können mehrere vorzugsweise nebeneinander angeordnete Stechwerkzeuge 3 oder nebeneinander angeordnete Gruppen von Stechwerkzeugen 3 angetrieben werden. Die Stechwerkzeuge bzw. Gruppen von Stechwerkzeugen werden bevorzugt phasenverschoben angetrieben.On the
Vor dem Einstechen ist das Torsionselement unbelastet, wobei in der Ausgangslage kurz vor dem Einstechen ein vorbestimmter Einstechwinkel des Stechwerkzeuges 3 eingestellt ist. Das Torsionselement lässt unter Krafteinwirkung auf das Stechwerkzeug 3, d.h. bei eingestochenem Stechwerkzeug 3 und Weiterbewegung der Bodenbearbeitungsvorrichtung in Fahrtrichtung A, ein Verschwenken des Stechwerkzeuges 3 entgegen der Fahrtrichtung zu. Bei Wegfall der Krafteinwirkung, d.h. nach dem Herausziehen des Stechwerkzeuges 3 aus dem Boden 9, übt das Torsionselement ein Rückstellmoment auf den Werkzeughalter 2 aus, so dass das Stechwerkzeug 3 nach dem Herausziehen wieder in die Ausgangslage zurückschwenkt.Before piercing the torsion element is unloaded, wherein in the starting position shortly before piercing a predetermined piercing angle of the piercing
Das Torsionselement in
Beispielsweise bei im wesentlichen quadratischen Profilen des Gehäuses 8 und der Stange 7 ist die Stange 7 gegenüber dem Gehäuse 8 um einen Drehwinkel von 45° versetzt angeordnet. Zwischen dem Gehäuse 8 und der Stange 7 sind Elastomerelemente 42 in den Ecken des Gehäuses 8 angeordnet und erstrecken sich im Wesentlichen über die gesamte Länge des Gehäuses 8 und der Stange 7. Unter Einwirkung eines Drehmomentes kann die Stange 7 gegenüber dem Gehäuse 8 verdreht werden. Dabei werden die Elastomerelemente 42 komprimiert und es entsteht ein elastisches Rückstellmoment. Bei einer im Querschnitt dreieckigen Form des Gehäuses 8 und der Stange 7 kann ein größerer Torsionswinkel genutzt werden.For example, with substantially square profiles of the
In
In
Alternativ können auch die beiden Gehäuse 8 anstatt der Stange 7 fest miteinander verbunden sein oder vorzugsweise einstückig, sowie die Stange 7 zweiteilig ausgebildet sein. In diesem Fall ist eine der Stangen 7 mit dem Führungselement 4 und die andere Stange 7 mit dem Werkzeughalter 2 drehfest verbunden.Alternatively, the two
Der Einstechwinkel des Stechwerkzeuges 3 in den Boden entspricht dem Winkel α zwischen Stechwerkzeug 3 und der Bodenoberfläche 9. Dieser Winkel kann verändert werden, indem der Winkel des Werkzeughalters 2 bezüglich einer orthogonalen Ebene quer zur Fahrtrichtung verändert wird.The piercing angle of the piercing
In
Die Elastomerelemente können an den Enden als Verbundelemente z.B. anvulkanisierte Anschlussflansche 10 aufweisen, die können ihrerseits am Werkzeughalter 2 bzw. am Führungselement 4 befestigt sein. Der Einstechwinkel α kann auch dadurch verändert werden, indem der Winkel zwischen den Einstechwerkzeugen und dem Werkzeughalter 2 beim Befestigen der Einstechwerkzeuge verändert wird.The elastomeric elements may be terminated at the ends as composite elements e.g. have vulcanized
Der maximal mögliche Torsionswinkel zwischen dem Führungselement 4 und dem Werkzeughalter 2 ist von der Länge L der Elastomerelemente 1b abhängig. Je länger das Elastomerelement 1b ist, desto größer kann der Torsionswinkel sein. Zum Verstärken des Elastomerelementes 1b kann parallel zu seiner Längserstreckung im Inneren ein vorzugsweise koaxialer Metallbolzen eingebracht sein. Dieser kann an den angrenzenden Anschlussflanschen 10 oder am Werkzeughalter 2 und/oder am Führungselement 4 drehbar gelagert sein.The maximum possible torsion angle between the
Auch ist ein Verbundelement aus Elastomerelementen und spiral- bzw. schraubenförmigen Metalltorsionsfedern möglich. Die Metallfedern sind in diesem Fall vom Elastomermaterial umschlossen. Auch hier können zur Verstärkung Metallbolzen im Inneren vorzugsweise koaxial eingebracht sein.Also, a composite element of elastomeric elements and spiral or helical metal torsion springs is possible. The metal springs are enclosed in this case by the elastomer material. Here, too, metal bolts can preferably be introduced coaxially in the interior for reinforcement.
Die Seitenansicht in
Die Seitenansicht in
Die nebeneinander angeordneten Stechwerkzeuge oder Gruppen von Stechwerkzeugen sind phasenverschoben antreibbar. Die Führungen 11 können auch horizontal parallel zur Fahrtrichtung verschiebbar sein, so dass der Hub der Auf- und Abbewegung aufgrund des veränderten Abstandes zum Kurbeltrieb 17 verstellbar ist. In der
An dem Kurbeltrieb 17 nehmen zwei vorzugsweise winkelmäßig versetzte Hubzapfen 14 jeweils eine Schubstange 5 auf. Die Stechwerkezuge 3 in den Reihen 18 und 19 werden vorzugsweise phasenverschoben angetrieben. Der Kurbeltrieb 17 kann dabei so mit der Fahrgeschwindigkeit gekoppelt sein, dass die von den Stechwerkzeuge 3 der in Fahrtrichtung hinteren Reihe 18 erzeugten Löcher vor den zuvor erzeugten Löchern der Stechwerkzeuge 3 der ersten Reihe 19 liegen.On the
In den
Die
In
In
Claims (15)
dass koaxial zu der ersten Schwenkachse (40) zwischen dem Werkzeughalter (2) und dem Führungselement (4) ein Torsionselement (1a, 1b, 1c) angeordnet ist, das unter Krafteinwirkung auf das mindestens eine Stechwerkzeug (3) ein Verschwenken des Werkzeughalters (2) relativ zu dem Führungselement (4) zulässt und bei Wegfall der Krafteinwirkung ein Rückstellmoment auf den Werkzeughalter (2) ausübt, so dass das Stechwerkzeug (3) nach dem Herausziehen aus dem Boden wieder in die Ausgangslage zurückschwenkt.Mobile tillage device, with
that coaxially to the first pivot axis (40) between the tool holder (2) and the guide element (4), a torsion element (1a, 1c, 1b) is arranged, which under the action of force on the at least one piercing tool (3) comprises a swiveling of the tool holder (2 ) relative to the guide element (4) and upon the cessation of the force a restoring moment on the tool holder (2) exerts, so that the piercing tool (3) pivots back after pulling out of the ground back to the starting position.
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
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EP07103568A EP1967055A1 (en) | 2007-03-06 | 2007-03-06 | Soil cultivation device |
EP07106825.8A EP1967056B1 (en) | 2007-03-06 | 2007-04-24 | Soil cultivation device |
AU2008200825A AU2008200825B2 (en) | 2007-03-06 | 2008-02-22 | A soil working device |
NZ566260A NZ566260A (en) | 2007-03-06 | 2008-02-27 | A soil working device |
NO20081093A NO20081093L (en) | 2007-03-06 | 2008-02-29 | Tilling device |
CA002623828A CA2623828A1 (en) | 2007-03-06 | 2008-03-03 | A soil working device |
CN2008100839181A CN101258794B (en) | 2007-03-06 | 2008-03-05 | A soil working device |
US12/073,478 US20080217034A1 (en) | 2007-03-06 | 2008-03-06 | Soil working device |
US13/177,418 US8291992B2 (en) | 2007-03-06 | 2011-07-06 | Soil working device |
Applications Claiming Priority (1)
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EP07103568A EP1967055A1 (en) | 2007-03-06 | 2007-03-06 | Soil cultivation device |
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EP07106825.8A Active EP1967056B1 (en) | 2007-03-06 | 2007-04-24 | Soil cultivation device |
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EP07106825.8A Active EP1967056B1 (en) | 2007-03-06 | 2007-04-24 | Soil cultivation device |
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- 2007-04-24 EP EP07106825.8A patent/EP1967056B1/en active Active
-
2008
- 2008-02-22 AU AU2008200825A patent/AU2008200825B2/en active Active
- 2008-02-27 NZ NZ566260A patent/NZ566260A/en unknown
- 2008-02-29 NO NO20081093A patent/NO20081093L/en not_active Application Discontinuation
- 2008-03-03 CA CA002623828A patent/CA2623828A1/en not_active Abandoned
- 2008-03-05 CN CN2008100839181A patent/CN101258794B/en active Active
- 2008-03-06 US US12/073,478 patent/US20080217034A1/en not_active Abandoned
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2011
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109526266A (en) * | 2019-01-24 | 2019-03-29 | 刘秀宇 | A kind of agricultural robot for hack |
WO2020208383A1 (en) | 2019-04-08 | 2020-10-15 | Tokes Miklos Attila | Injection device and procedure for using the device for introducing air and/or additive to the deeper layers of soil |
US20220201919A1 (en) * | 2019-04-08 | 2022-06-30 | Miklós Attila TÕKÉS | Injection device and procedure for using the device for introducing air and/or additive to the deeper layers of soil |
Also Published As
Publication number | Publication date |
---|---|
CA2623828A1 (en) | 2008-09-06 |
AU2008200825B2 (en) | 2014-03-27 |
EP1967056B1 (en) | 2015-02-11 |
NO20081093L (en) | 2008-09-08 |
US8291992B2 (en) | 2012-10-23 |
US20120012351A1 (en) | 2012-01-19 |
EP1967056A1 (en) | 2008-09-10 |
US20080217034A1 (en) | 2008-09-11 |
CN101258794B (en) | 2012-01-11 |
CN101258794A (en) | 2008-09-10 |
NZ566260A (en) | 2008-10-31 |
AU2008200825A1 (en) | 2008-09-25 |
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